Hi Jim, Organs are supposed to draw air from the pipe chamber. It doesn't matter where the blower is but it does require large ducts. For your harpsichord--I think a bottom cover would be more effective that a floor length "skirt". This is based on extrapolation from what I have measured in grand pianos. The floor length covers help--but not nearly as much as the bottom cover. For this design of harpsichord I'd do an Edwards string cover as well. I'd also be tempted to get one of the "high" setting humidistats--and make a "partial" system with *no* drier bars at all. I'm quite sure the table dampchaser idea would be very challenged in this application--though they did use this method on grand pianos in Banff during Otto Keyes tenure there.--Perhaps he could offer you some insights? Have you considered some round "holes" in the bottom wooden cover? If you could make two--and put an "electronic fan" (no moving parts, no sound as the "fan" works at ultrasonic speeds) to pass the humidity thru the bottom board, then the Damppchaser would have a better chance at controling the humidity. I believe these "fans" come in "very small" sizes. You are out "Moon walking" Jim.(one small step for harpsichord, one giant step for humidity control) Please let us know what you end up doing--and tell us if it works! Best of luck with this difficult issue. ===== Regards, Don Rose, B.Mus., A.M.U.S., A.MUS., R.P.T. 3004 Grant Rd, Regina, SK, S4S 5G7 Tuner for the Saskatchewan Centre of the Arts http://us.geocities.com/drpt1948/ __________________________________ Do you Yahoo!? The all-new My Yahoo! - Get yours free! http://my.yahoo.com
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